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摘要： You can change the partition table on Linux by a group of tools, which is tool comprehansive for a newbee. While I find this work will be easily done ... 阅读全文

摘要： compile hadoop and change the auto moded 阅读全文

摘要： oracle java PPA: ppa:webupd8team/javathe key word use for search more infomation: webupd8team 阅读全文

摘要： Put your desired settings in the~/.vimrcfile -- See below for some guidelines and best practices.There are four main ways to use tabs in Vim:Always ke... 阅读全文

摘要： python 集成了 sqlite3 ，其接口很简单：import sqlite3db_connection = sqlite3.connect(db_filename)db_cursor = db_connection.cursor()db_cursor.execute('select * fro... 阅读全文

摘要： python 本身是不是单线程这个我真心搞不懂但是我是来吐槽的：multiprocessing.Pool(precesses = 2)这个语句曾经让我的内存爆满，死机不解释。在重装 python 之后，冒着重装系统的危险，我再次尝试，警报解除。然后：mypool = multiprocessing.... 阅读全文

摘要： This is a pseudocode for DBSCAN from "A Density-Based Algorithm for Discovering Clusters in Large Spatial Databases with Noise".And I have tried the p... 阅读全文

摘要： When run the arcgis engine codes in the console application, may come to the exception:HRESULT: 0x80040228.Then can use these code to enable the lisence:ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDesktop);ESRI.ArcGIS.esriSystem.IAoInitialize ao = new ESRI.ArcGIS.esriSystem.AoIni 阅读全文

摘要： Control.MousePosition 阅读全文

摘要： Oracle 需要设置path变量支持运行，ODAC安装时会将其路径加入path变量。导致先搜索到ODAC，连接出现：ora-12560: TNS:protocol adapter error将path变量中的ODAC路径置后解决该问题。安装之后需要将tnsnames.ora、listener.ora和sqlnet.ora从Oracle的NETWORK/admin路径下拷贝到client相同路径下，并进行编辑：将 HOST = localhost改为 HOST = 127.0.0.1 阅读全文